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Boston Acoustics SL65

6-1/2" 2-way car speakers — for 6-1/2" and 6-3/4" openings

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Boston Acoustics

Our take on the Boston Acoustics SL65

The SL65 6-1/2" 2-way speakers deliver the quality sound you expect from Boston Acoustics. How? It's all a matter of putting the right pieces together. Starting at the top, the SL65 features a 1" dome tweeter, constructed from a soft material that keeps the highs clean and smooth. This tweeter's asymmetrical design disperses highs in a wider pattern, for a more natural sound if you're not exactly in the line of fire.

For reliable reproduction of the lows, the 6-1/2" woofer cone incorporates a special design that keeps the speaker running cool to minimize distortion. A powerful but light neodymium magnet keeps the woofer's weight down — important if you're trying to shave ounces in a performance car.

A high-quality built-in crossover allows the woofer and tweeter to work together in perfect harmony. Mounting options include several ring adapters, making it easier to put these speakers in more locations, along with grilles that add a stylish touch to your custom installation.

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Highlights:

  • 2-way car speakers
  • 6-1/2" copolymer woofer with rubber surround
  • 1" Kortec® dome tweeter
  • grilles included
  • power range: 2-60 watts RMS (200 watts peak power)
  • frequency response 50-20,000 Hz
  • sensitivity: 90 dB
  • mounting rings included for 6-3/4" applications
  • top-mount depth: 2-7/16"
  • warranty: 2 years
  • Our 60-day money-back guarantee

Priced per pair

 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs

Features and Specs
General
Design
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2-way
Tweeter Design
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1" Dome
Tweeter Composition
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Kortec
Woofer Composition
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Copolymer
Woofer Surround
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Butyl Rubber
Parts Warranty
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2 Years
Labor Warranty
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2 Years
Specifications
Sensitivity
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90 dB at 1 watt
Frequency Response
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50 - 20k Hz
RMS Power Range (Watts)
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2-60
Peak Power Handling (Watts)
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200
Impedance (Ohms)
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4
Top-mount Depth (Inches)
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2 1/2
Bottom-mount Depth (Inches)
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N/A
Cutout Diameter or Length (inches)
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4 15/16

Product Research

Product Research
What's in the box?

Download owner's manual

  • Two 6-1/2" Coaxial speakers
  • 2 Grilles
  • 2 Grille mounting rings
  • Two 7/16" Spacer rings
  • Two 3-Hole 6-3/4" Adapter rings
  • Two multi-hole 6-3/4" Adapter rings
  • Two 7" Lengths of speaker wire (each has quick-slides on one end and bare wire on the other)
  • Eight M4x20mm Machine screws
  • Six M4x7mm Machine screws
  • Eight 1" Self-tapping screws
  • Six 1/8" Spacer/Washers
  • 8 Speed clips
  • 4 Butt connectors
  • Mounting instruction/Specification sheet
  • Warranty information
  • Product registration card

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Woofer: The SL65s are equipped with copolymer woofer cones and butyl rubber surrounds. Each woofer is has a neodymium magnet, which has a high power-to-weight ratio and a compact size about one-tenth the size of traditional iron-ferrite magnets. The dual-stage aluminum heat sink is integrated into the motor structure to draw heat away from the voice coil increasing the power handling capability.

Tweeter: Each speaker has a 1" Kortec soft-dome tweeter for a smooth high frequency response and linearity. Kortec is a specially engineered material with the rigidity of a composite dome and the smoothness and detailed response of cloth. The contoured SL tweeter planes delivers superior on- and off-axis high frequency response compared to traditional coaxial designs.

Crossover: Located behind the tweeter, the multi-element 2-way crossover delivers component level performance.

VariMount: The Boston SL65s come with several mounting adapters, making it possible to drop the speakers into the most common factory locations. Both 6-1/2" and 6-3/4" adapters and 7⁄16" spacers are included.

 

Product Reviews

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Accessories

Accessories we recommend

Dynamat
Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
Dynamat 10415 Xtreme Speaker Kit
Two 10-in. x 10-in. Sheets
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Dynamat 10435 Xtreme Door Kit
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Dynamat SuperLite Tri-Pak
Triple package — 3 sheets, 12 square feet (Model #10612)
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Speaker Wire
You may need speaker wire to connect your speakers to your amp or receiver.
StreetWires 16-gauge Super Cable™ Speaker Wire
Blue jacket — priced per foot
$0.40
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StreetWires 14-gauge Ultra Cable™ Speaker Wire
Blue/copper jacket — priced per foot
$0.75
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StreetWires 14-gauge Super Cable™ Speaker Wire
Translucent blue jacket — priced per foot (Clear)
$0.99
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Baffles
Keep your speakers clean and dry. They compress to fit behind your speakers.
XTC 6-1/2
Protect your speakers (3-1/4" depth)
$7.99
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Boom Mat 6-1/2
Protect your speakers
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Extras

Installation Tools
The right tools will help keep your installation simple and clean.
Metra Crimp Tool and Connectors
Package contains crimp tool and over 150 pieces
$19.99
Out of Stock
 
 
Pro.Fit Trim Panel Tool
Remove your vehicle's trim panels without damage
$4.50
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Pro.Fit Wire Worm
Installation tool helps route wiring through tight spaces
$12.99
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Posi-Products™ Car Speaker Connectors
8 connectors for installing car speakers
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S&G Tool Aid 87615
Window and Door Clip Removal Tool
$7.99
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S&G Tool Aid 87650
Door Trim and Panel Removal Tool
$9.99
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Multi Wedge Trim Panel Tools
Set of six (flexible and rigid) tools — helps remove trim and door panels
$19.99
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Skewdriver Pro SPK4042
Ratcheting straight and offset screwdriver set with 40 bits (Skewdriver Pro with ratchet handle, pictured)
$49.99
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Spec Tools SQR-200a Squeeze Wrench
Narrow space ratchet kit with 18 sockets
$49.99
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DEI Heat Shrink Tubing
Black 4-foot length (Assortment)
$24.99
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For a more in-depth review and enhanced detailed information on the Boston Acoustics SL65, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_065SL65/Boston-Acoustics-SL65.html ).

Boston Acoustics SL65